I've purchased a pair of Sennheiser OCX 685i headphones that follow the CTIA standard. So, if I use them in my pc I get background noise due to the mic signal.
According to Wikipedia the CTIA standard follows the scheme Tip-Ring-Sleeve-Ring. I'm searching an adapter from CTIA (TRSR) to TRS (the conventional 3 pole jack).
There are a lot of options but is difficult to be sure about the compatibility since most of them speak about TRRS, a different standard known as OMTP.
Does anybody purchased a working adapter that suites my case?
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